Labourers at a construction were spied on by a drone in a bid to evaluate their working habits, a document online has claimed.

The report, shared on Reddit, purports to be made by construction company ECM as a means of recording daily productivity on one of their sites.

According to the document, which contains images of construction employees standing around, the drone monitored the West Australian site for about two hours and recorded the 'poor behaviour' of workers.

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A report which purports to come from construction company ECM as a means of monitoring their employees productivity

The site where the workers were supposedly spied on is referred to as a 'wet scrubber,' which is a pollution control device for removing particles from exhaust streams.

'Small group workers were talking and relaxing idly during working hours around 4:30pm at the wet scrubber building,' the document claims.

The report also offered suggestions on methods to improve productivity, including the proposal to 'remove or replace low performer or poor workmanship'.

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A spokesperson from ECM told Business Insider 'the report in question is not an ECM document, therefore we are not in a position to comment on the matter.'

According to Security Agents Institute of W.A, 'Western Australia does not have legislation dealing directly with video surveillance in the workplace like NSW and some other states.'

In August, managers at a construction site in California used drones to monitor the progress being made on a new stadium for basketball team the Sacramento Kings, however the drones did not fly close enough to employees to identify them.

According to the document, a drone monitored the West Australian site for about two hours and recorded 'poor behaviour' from workers